There are several door closer types. Each of these may have its own features and styles, but the door closing mechanism is common. In fact, this is a kind of spring that stretches when the door is opened and returns to its original position when closing.
The door closer is a small additional detail for the doors that nevertheless may play a useful role in the control of the doors when opening and closing, making things both functional and safe. But how useful it is, becomes especially clear when it unexpectedly breaks down and door closer repair is required, especially in commercial buildings.
The main purpose of such a mechanism is to prevent accidental slamming of the door or its opening in the case of a sharp gust of wind. Also, the self door closing mechanism does all the work for you, for example, if you forget to close the door, which is pretty handy.
The main types of automatic door closers include:
Surface-mounted
This one is a popular option for door closers for commercial buildings. Surface-mounted closers have great flexibility and a simple mechanism. Such a door closer is mounted to the frame or door. Their advantages are ease of installation, configuration, and maintenance.
Concealed
This one is invisible, which makes such a type a great option for interior doors closer, as there is nothing extra on the doors. It can be mounted in the frame and door. Also, such a closer is floor mounted in many cases, which makes a concealed door closer a well suitable mechanism for heavy doors, thus it can be used both for interior and exterior doors.
Door Arm Closer: Three Main Types
The door arm is part of the mechanism that takes over most of the functions when opening and closing the doors. It rotates the gear, which makes tension in the spring and then drives the mechanism. The main door arm closer types are:
Regular
The regular door arm is one of the most efficient options. Such a mechanism is located outside the door and consists of two arms, one of which is attached to the door frame, and the other to the spring-loaded box. It belongs to the pull-side application.
Parallel
This one is push-side. The parallel arm is the most common option. It consists of two arms that sit at the top of the door and are attached to a spring-loaded box.
Top Jamb Mount
Top Jamb also has two arms that, however, are placed perpendicularly. With such a type, the spring-loaded box is on the front side of the frame. Top Jamb is most often used for doors made of glass or aluminum.
